JPS63170075U - - Google Patents
Info
- Publication number
- JPS63170075U JPS63170075U JP5668987U JP5668987U JPS63170075U JP S63170075 U JPS63170075 U JP S63170075U JP 5668987 U JP5668987 U JP 5668987U JP 5668987 U JP5668987 U JP 5668987U JP S63170075 U JPS63170075 U JP S63170075U
- Authority
- JP
- Japan
- Prior art keywords
- hollow mandrel
- heating wire
- sleeve
- outer circumferential
- wound around
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 239000002184 metal Substances 0.000 description 1
Description
第１図Ａは本考案の一実施例を部分断面で示し
た側面図、第１図Ｂは第１図Ａの底面図、第２図
は従来例を一部断面で示した側面図である。
１：中空マンドレル、３，４：電熱線、６ａ，
６ｂ：ガイド金具。
FIG. 1A is a side view showing an embodiment of the present invention in partial cross section, FIG. 1B is a bottom view of FIG. 1A, and FIG. 2 is a side view showing a conventional example in partial cross section. . 1: Hollow mandrel, 3, 4: Heating wire, 6a,
6b: Guide metal fittings.
Claims (1)
該中空マンドレルの外周面に電熱線を巻装すると
ともに内部に電熱線を配設して、前記中空マンド
レルの両端部にガイド金具を配設したことを特徴
とするスリーブ内面加工用電熱ヒータ。 Equipped with a hollow mandrel made of high-purity alumina,
An electric heater for processing the inner surface of a sleeve, characterized in that a heating wire is wound around the outer circumferential surface of the hollow mandrel, the heating wire is arranged inside the hollow mandrel, and guide fittings are arranged at both ends of the hollow mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5668987U JPH0539827Y2 (en) | 1987-04-16 | 1987-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5668987U JPH0539827Y2 (en) | 1987-04-16 | 1987-04-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63170075U true JPS63170075U (en) | 1988-11-04 |
| JPH0539827Y2 JPH0539827Y2 (en) | 1993-10-08 |
Family
ID=30885729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5668987U Expired - Lifetime JPH0539827Y2 (en) | 1987-04-16 | 1987-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0539827Y2 (en) |
-
1987
- 1987-04-16 JP JP5668987U patent/JPH0539827Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0539827Y2 (en) | 1993-10-08 |